彈簧gangsishiyongdexingnengjiyongtu

采用彈性范圍的彈簧，卸載后應回原位，希望塑性變形越小越好，所以鋼絲應具有高彈性極限、屈服強度和抗拉強度。隨著屈強比的增加，彈性極限與抗拉強度接近，因此，強度利用率越高，制造的彈簧彈力越大，彈簧依賴于彈性變形來吸收沖擊能量，因此彈簧鋼絲不一定要具有很高的塑性，但至少要具有能承受彈簧成形的塑性量，以及足夠的能承受沖擊能量的韌性。

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